T/CHES 45-2020 radar water level gauge
T/CHES 45-2020 radar water level gauge
Basic Information
Scope
Main Technical Content: Foreword. IV Introduction. V 1. Scope. 1.2 Normative Reference Documents. 1.3 Terms and Definitions, Symbols, Codes, and Abbreviations. 1.3.1 Terms and Definitions. 1.3.2 Symbols, Codes, and Abbreviations. 3.4 General Provisions. 3.5 Working Principle, Classification, and Composition. 3.5.1 Working Principle. 4.5.2 Classification. 4.5.3 Composition. 4.6 Basic Parameters. 5.7 Technical Requirements. 6.7.1 Appearance. 6.7.2 Working Environment Conditions. 6.7.3 Measurement Characteristics. 6.7.4 Display and Recording. 7.7.5 Response Time. 7.7.6 Electrical Performance. 8.7.7 Transmission Center Frequency. 8.7.8 Salt Spray. 8.7.9 Enclosure Protection Level. 8.7.10 Anti-Interference. 8.7.11 Mechanical Environmental Adaptability. 8.8 Data Acquisition and Transmission Requirements. 8.8.1 Modbus-RTU Communication Protocol. 9.8.2 Message Transmission Specification. 12.9 Test Methods. 13.9.1 Test Requirements. 13.9.2 Main Test Equipment. 13.9.3 Content of Test Methods. 14.10 Inspection Rules. III 10.1 Factory Inspection. 17.10.2 Type Testing. 18.11 Marking and User Manual. 18.12 Packaging, Transportation, and Storage. 19.13 Installation, Commissioning, and Maintenance. 19.13.2 Operation and Maintenance. 20.14 Assessment and Acceptance. 20.14.1 Assessment. 20.14.2 Acceptance. 21. Appendix A (Informative) 22. Appendix B (Informative) 23. Appendix C (Informative) 30. References. 31.